Home / 439,914.94-659,740.47-229,438.06

Finding the Fourth Proportional to 439,914.94, 659,740.47 and 229,438.06

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Solution

The fourth proportional to 439,914.94, 659,740.47 and 229,438.06 is: 344,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,914.94 : 659,740.47 = 229,438.06 : x
  2. Step 2: Convert to fraction form
    439,914.94/659,740.47 = 229,438.06/x
  3. Step 3: Cross multiply
    439,914.94x = 659,740.47 × 229,438.06
  4. Step 4: Simplify right side
    439,914.94x = 151,369,573,540.29
  5. Step 5: Solve for x
    x = 151,369,573,540.29/439,914.94
  6. Step 6: Final answer
    x = 344,088.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.